/* KluiVPN static site styles */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;color:#2b2b3d;line-height:1.6;background:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* Top notice */
.notice{background:linear-gradient(90deg,#1a0a3d,#3a1266);color:#fff;text-align:center;font-size:14px;padding:10px 16px}
.notice a{color:#8ab4ff;margin-left:6px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,#5b3cf2,#a24ff5);color:#fff}
.header-inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px;color:#fff}
.brand img{width:36px;height:36px}
.nav{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.nav a{font-size:15px;opacity:.9;padding:6px 0;border-bottom:2px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{opacity:1;border-color:#fff}
.header-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;font-weight:600;transition:.2s;cursor:pointer;border:0}
.btn-outline{border:1.5px solid #fff;color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:#6a3cf2}
.btn-primary{background:#fff;color:#6a3cf2}
.btn-primary:hover{background:#f2eaff}
.lang-switch{display:flex;gap:6px;font-size:13px}
.lang-switch a{padding:4px 8px;border-radius:6px;opacity:.75}
.lang-switch a.active{background:rgba(255,255,255,.2);opacity:1}

/* Hero */
.hero{background:linear-gradient(135deg,#5b3cf2 0%,#a24ff5 60%,#e15fce 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:100px;background:#fff;clip-path:ellipse(75% 100% at 50% 100%)}
.hero-inner{max-width:1200px;margin:0 auto;padding:70px 24px 130px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:52px;line-height:1.15;margin:0 0 24px;font-weight:800;letter-spacing:-.5px}
.cert{display:flex;align-items:center;gap:10px;font-size:15px;opacity:.95;margin-bottom:36px}
.cert .badge{width:28px;height:28px;border-radius:50%;background:#f5a623;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}
.stats{display:flex;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.stat{width:130px;height:130px;border-radius:50%;border:2px solid rgba(255,255,255,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.stat .num{font-size:32px;font-weight:800;line-height:1}
.stat .num span{font-size:16px;font-weight:500;margin-left:2px}
.stat .lbl{font-size:13px;margin-top:6px;opacity:.9}
.download-row{display:flex;gap:16px;flex-wrap:wrap}
.dl-btn{background:#fff;color:#6a3cf2;border-radius:999px;padding:14px 28px;display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:16px;box-shadow:0 8px 30px rgba(0,0,0,.15);transition:.2s}
.dl-btn:hover{transform:translateY(-2px)}
.dl-btn .icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:#6a3cf2;color:#fff;border-radius:50%;font-size:14px}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.25))}

/* Sections */
section{padding:80px 24px}
.container{max-width:1200px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#8b6cf5;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:2px;background:linear-gradient(90deg,#6a3cf2,#e15fce);border-radius:2px}
h2.section-title{font-size:40px;margin:0 0 24px;font-weight:800;letter-spacing:-.5px;color:#1c1533}
.lead{font-size:17px;color:#5a5670;max-width:640px;margin:0 0 40px}

/* Popular apps strip */
.apps-strip{background:#f7f4ff;text-align:center}
.apps-strip img{margin:32px auto 0;border-radius:16px}

/* Feature blocks */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.feature:last-child{margin-bottom:0}
.feature.reverse{grid-template-columns:1fr 1fr}
.feature.reverse .feature-media{order:-1}
.feature-media img{width:100%;border-radius:20px;box-shadow:0 20px 40px rgba(90,60,242,.15)}

/* Footer */
.site-footer{background:#1a1230;color:#c9c3e0;padding:60px 24px 30px;font-size:14px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-inner h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:600}
.footer-inner a{display:block;padding:6px 0;opacity:.8;transition:.2s}
.footer-inner a:hover{opacity:1;color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;margin-bottom:14px}
.footer-brand img{width:32px;height:32px}
.copyright{max-width:1200px;margin:40px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);text-align:center;color:#8a83a7;font-size:13px}

/* Cards / FAQ / Download */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid #ece7f8;border-radius:20px;padding:28px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(90,60,242,.12);border-color:#d8ceff}
.card .ico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#6a3cf2,#e15fce);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:700;margin-bottom:18px}
.card h3{margin:0 0 10px;font-size:18px;color:#1c1533}
.card p{margin:0;color:#6a6484;font-size:14.5px}

.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #ece7f8;border-radius:14px;padding:22px 26px;margin-bottom:14px}
.faq-item h3{margin:0 0 10px;font-size:17px;color:#1c1533;display:flex;align-items:center;gap:10px}
.faq-item h3::before{content:"Q";display:inline-flex;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#6a3cf2,#e15fce);color:#fff;font-size:13px;align-items:center;justify-content:center;font-weight:700}
.faq-item p{margin:0;color:#5a5670;font-size:15px;padding-left:36px}

.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.dl-card{background:#fff;border-radius:20px;padding:32px 22px;text-align:center;border:1px solid #ece7f8;transition:.2s}
.dl-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(90,60,242,.12)}
.dl-card .plat{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,#6a3cf2,#e15fce);color:#fff;font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.dl-card h3{margin:0 0 6px;font-size:18px}
.dl-card p{margin:0 0 18px;color:#6a6484;font-size:14px}
.dl-card .btn-primary{background:linear-gradient(135deg,#6a3cf2,#e15fce);color:#fff}

/* About / product page */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.stat-row{display:flex;gap:40px;flex-wrap:wrap;margin-top:40px}
.stat-row .item{flex:1;min-width:150px}
.stat-row .item .n{font-size:36px;font-weight:800;color:#6a3cf2}
.stat-row .item .t{color:#5a5670;font-size:14px}

.subhero{background:linear-gradient(135deg,#5b3cf2,#a24ff5);color:#fff;padding:70px 24px 90px;text-align:center}
.subhero h1{font-size:44px;margin:0 0 12px;font-weight:800}
.subhero p{max-width:640px;margin:0 auto;font-size:17px;opacity:.9}

/* Responsive */
@media (max-width: 900px){
  .hero-inner,.feature,.feature.reverse,.two-col{grid-template-columns:1fr;padding-top:40px;padding-bottom:80px}
  .hero h1{font-size:36px}
  h2.section-title{font-size:30px}
  .nav{display:none}
  .card-grid,.download-grid,.footer-inner{grid-template-columns:1fr 1fr}
  .subhero h1{font-size:32px}
}
@media (max-width: 560px){
  .card-grid,.download-grid,.footer-inner{grid-template-columns:1fr}
  .stat{width:110px;height:110px}
  .stat .num{font-size:26px}
}